Answer:
1,1
Step-by-step explanation:
See steps below:) I could only show half of the steps. but you can use the app photo math. It will show you all the steps.
Answer: <em>23.7</em>
Step-by-step explanation:
<em>Let's calculate the acute angle at the base of the triangle:</em>
<em>180° - 90° - 40° = 50°</em>
<em>Find side x:</em>

Answer:
17. 10x+24 OR 108 18. 72 19. 8.4
Step-by-step explanation:
(10x+24)+72=180
10x+96=180
10x=84
x=8.4
10x+24
10(8.4)+24
84+24
108
77 percent of 149 is 114.73